{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-house-16c2lvqs","versions":[{"created_at":"2026-06-10T23:35:20Z","element_count":85,"note":"legacy fix(polish再汚染): 平屋floors2→1 / jpy87413760→quote24058999 (旧polishコード再書き込みの再是正・rollback=m5:legacy_fix_rollback.jsonl phase=polish_recontam)","saved_by":"mcp","sha256":"219288d7a440089fd64f45d4da05f3d0add25f85c5722decb10e2efa6654127c","version":11},{"created_at":"2026-06-10T23:08:31Z","element_count":72,"note":"5軸GA polish 54->95 by M5 (autonomous)","saved_by":"mcp","sha256":"c181f870b13d35387845edf0f6535065aef0f0076c4c8856795151202dad8d91","version":8},{"created_at":"2026-06-10T23:07:24Z","element_count":54,"note":"legacy fix: rooms設備語除去 (旧世代データ是正・実験済u-house-890wnsao・rollback=m5:legacy_fix_rollback.jsonl)","saved_by":"mcp","sha256":"55dcd958f4d84a5503e88f9dd4987ca89754f702bbed58ff8a9ce9fe960779d0","version":7}]}